Maximized operability by minimized switching time
Neles BO series butterfly valve is designed for Vacuum Pressure Swing Adsorption plants (VPSA). It is a wafer type, soft seated, high performance, single eccentric disc valve. The valve provides maximal endurance in fast cycling. Additionally, it provides long lasting tight shut off with excellent flow characteristics and high capacity while maintaining the internal tightness even up to 2 million cycles.
Best valve capacity on the market
Suitable for wet and dirty media
Fast and easy maintenance
Maximized availability by secure valve operation



